linux_dsm_epyc7002/drivers/s390
Julian Wiedmann ec2c672632 s390/qeth: fix L3 next-hop in xmit qeth hdr
On L3, the qeth_hdr struct needs to be filled with the next-hop
IP address.
The current code accesses rtable->rt_gateway without checking that
rtable is a valid address. The accidental access to a lowcore area
results in a random next-hop address in the qeth_hdr.
rtable (or more precisely, skb_dst(skb)) can be NULL in rare cases
(for instance together with AF_PACKET sockets).
This patch adds the missing NULL-ptr checks.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Fixes: 87e7597b5a qeth: Move away from using neighbour entries in qeth_l3_fill_header()
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 11:24:37 -07:00
..
block libnvdimm for 4.13 2017-07-07 09:44:06 -07:00
char mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic 2017-07-12 16:26:03 -07:00
cio s390: chp: handle CRW_ERC_INIT for channel-path status change 2017-07-13 11:28:29 +02:00
crypto s390/zcrypt: Fix missing newlines at some debug feature messages. 2017-07-05 07:35:29 +02:00
net s390/qeth: fix L3 next-hop in xmit qeth hdr 2017-08-07 11:24:37 -07:00
scsi
virtio Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2017-05-16 09:24:44 -07:00
Makefile